Home / 113,959,910.81-157,318,905.39-76,347,838.34

Finding the Fourth Proportional to 113,959,910.81, 157,318,905.39 and 76,347,838.34

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Solution

The fourth proportional to 113,959,910.81, 157,318,905.39 and 76,347,838.34 is: 105,396,347.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,959,910.81 : 157,318,905.39 = 76,347,838.34 : x
  2. Step 2: Convert to fraction form
    113,959,910.81/157,318,905.39 = 76,347,838.34/x
  3. Step 3: Cross multiply
    113,959,910.81x = 157,318,905.39 × 76,347,838.34
  4. Step 4: Simplify right side
    113,959,910.81x = 12,010,958,355,754,878
  5. Step 5: Solve for x
    x = 12,010,958,355,754,878/113,959,910.81
  6. Step 6: Final answer
    x = 105,396,347.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.